Finding the Fourth Proportional to 3,109.01, 4,290.53 and 1,782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.01 : 4,290.53 = 1,782.96 : x
2. Step 2: Convert to fraction form
   3,109.01/4,290.53 = 1,782.96/x
3. Step 3: Cross multiply
   3,109.01x = 4,290.53 × 1,782.96
4. Step 4: Simplify right side
   3,109.01x = 7,649,834.45
5. Step 5: Solve for x
   x = 7,649,834.45/3,109.01
6. Step 6: Final answer
   x = 2,460.54